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How do you hear through walls?

Sound travels in waves that change as they meet different surfaces. The more pores a surface has, the more sound that surface absorbs; the thicker a surface is, the more sound that surface reflects. Many walls feature a thin veneer with a hollow interior, so while some echoing occurs, much of the sound continues through into the cavity inside the wall, and then through the veneer on the other side.\nAdding insulation to the inside of a wall reduces the amount of sound that passes through it. All sound waves lose power over time, and insulation and other porous materials absorb sound. The waves..

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How do you apply for Medicare coverage?

If you already receive Social Security or Railroad Retirement Board benefits, you should automatically receive Medicare coverage on your 65th birthday, states Medicare.gov. If you are younger than 65, but receive disability benefits from Social Security or the Railroad Retirement Board for 24 months, you should receive Medicare benefits automatically after two years. If you have amyotrophic lateral sclerosis, you qualify for automatic Medicare enrollment when you receive disability payments.\nYou can apply for Part B Medicare if you are a citizen of Puerto Rico, advises Medicare.gov. The Socia..

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What are some Jewish wedding traditions?

The ketubah is the Jewish marriage contract. It is signed by the groom, the rabbi and two other male witnesses. The bride and other female witnesses may also sign it in Reform and Conservative congregations. This contract is in support of the bride's rights, and belongs to the bride to keep as proof of her rights and as a reminder of the groom's responsibilities under Jewish law.\nCircling happens when the couple first enters the wedding canopy, also known as the huppah. In this tradition, the bride walks around the groom seven times. This circling is meant as a representation of the..

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What medications help stop restless leg syndrome?

Restless leg syndrome can often be a symptom of an underlying medical condition or a side effect of certain medications, according to Healthline. Sometimes, RLS can be treated at home with the use of over-the-counter pain medications and heat, cold or massage used in combination with exercise and relaxation. If these techniques do not bring relief, a doctor can prescribe different medications or vitamin supplements to remedy the problem.

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How do you take care of curly hair?

Curly hair is drier and more affected by humidity than straight hair, and it is prone to breakage and frizz when brushed. To cleanse curly hair, less is more. Daily shampooing can dry out curly hair and is unnecessary. Use a mild shampoo every few days to rid the hair of pollutants picked up in the air and styling product residue. Apply shampoo to the roots of the hair and the scalp, then gently shampoo to the ends of the hair. After rinsing, apply a conditioner to the lengths of the hair, avoiding the scalp. Leave the conditioner on the hair for several minutes prior to rinsing.\nGently towel..

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What is the difference between money and currency?

Gold Silver notes that money and currency have numerous similarities as well, including the ability to be used in trade, counted and exchanged in various markets. While currency is easy to trade and generally light to carry around, like the dollar bill, money is more cumbersome. Therefore, the average person uses currency such as cash to make everyday transactions. According to Wikipedia, cash is the most common physical form of currency in use today, and it comes in either banknotes or coins.\nWikipedia explains the gradual transition from carrying gold coins as a form of money to adopting pa..

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What is the formula for velocity?

The formula for velocity given constant acceleration is v = u + at, where u is the velocity when the time, t, is equal to 0 and a is the rate of acceleration. The acceleration can be expressed as the change in velocity over the change in time. The instantaneous velocity can be found by taking the derivative of the equation in respect to distance. In this case, velocity and speed are the same, except that velocity is expressed as vector and speed is expressed in scalar form.

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What are some popular oil-based primers?

You can apply these two primers under and over both oil and latex paints. Kilz's Original primer is suitable for most interior surfaces, including wood, brick, metal and drywall plaster. It is resistant to mildew growth and sands easily. Zinsser's Cover Stain adheres to any interior or exterior surface and does not require you to sand surfaces prior to application.

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What is a summary of the legend of King Arthur?

Very few Arthurian legends are exactly the same, but generally, Arthurian legend makes Arthur Arthur Pendragon, son of Uther Pendragon, an aspirant king who ultimately fails to unite Britain and leaves his infant son in the care of the knight Sir Ector. The wizard Merlin is Arthur's mentor and adviser throughout his reign. In some versions of the tale, Merlin knows of Arthur's destiny before he pulls the sword from the stone; in others, he learns of Arthur's destiny when he pulls the sword.\nHis wife, Queen Guinevere, involves herself in an affair with Arthur's bravest knig..

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What are some signs that you need your CV joint replaced?

A growling noise sometimes results from inadequate lubrication in the inner or the outer CV joint, as Samarins.com notes, but damaged wheel bearings and bad bearings of same-length halfshaft transaxles are more likely causes of the noise. Replacing them is often the best way to solve the problem.\nIn most cases, popping or clicking sounds produced when making turns indicates a faulty outer CV joint. Individuals can verify this by shifting to reverse gear and cranking the steering wheel to one side while reversing the vehicle in a circle. A popping sound gets louder only when the joint or the s..

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